Download JObfuscator package with Windows GUI client, command line version compatible with both Windows & Linux, and SDK source code with examples for PHP.
Here you can download the demo version of JObfuscator. Installation & application files are all digitally signed and tested with the latest antivirus software.
If you would like to ask me about JObfuscator, or something's not clear, mail me. I'll be happy to answer all of your questions.